Senior Java Developer

Appex Innovation

Senior Java Developer designing and implementing core services for enterprise Notifications platform. Building cloud-native backend services and integrating AI capabilities for the airline industry.

Posted 7/23/2026contractChicago • Illinois • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing cloud-native backend services using Java, Spring Boot, and microservices, with a strong focus on AI/GenAI capabilities and event-driven systems. Proven ability to troubleshoot complex production issues and collaborate effectively with cross-functional teams to deliver integrated solutions.

Highest-signal resume keywords

Java Backend DevelopmentSpring BootEvent-Driven SystemsAWS Cloud ServicesAI/GenAI Implementation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaSpring BootREST APIsMicroservicesApache CamelEvent-Driven IntegrationsProduction Code OptimizationCloud-Native DevelopmentSDLC DeliveryObservability Tools

Soft Skills

Analytical SkillsProblem-Solving Skills

Tools & Technologies

AWSApache CamelIntegration FrameworksAnalytics Tools

Industry Keywords

Notifications PlatformEnterprise IntegrationSecure AI EngineeringResponsible AI

Tech Stack

Tools & technologies

ApacheAWSCloudJavaMicroservicesSDLCSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Design AND implement core services for the enterprise Notifications platform, including APIs, event-driven integrations, orchestration components, templates, and platform capabilities
Write, review, debug, and optimize production code actively
Build cloud-native backend services using Java, Spring Boot, Apache Camel, microservices, and container technologies
Develop and integrate AI/GenAI capabilities hands-on
Troubleshoot and resolve complex production issues directly
Work closely with architects, product owners, business stakeholders, development teams and vendor teams to convert requirements into working solutions

Requirements

What you’ll need

Bachelor's degree in Computer Science, Information Systems, Engineering or related field, or equivalent work experience
Minimum 8 years of overall experience in software engineering, application development, integration, and SDLC delivery
Minimum 8 years of hands-on Java backend development experience, including Spring Boot, REST APIs, microservices and open-source technologies
Minimum 3 years of hands-on experience with event-driven systems, messaging, streaming, integration, or notification platform capabilities
Hands-on experience with Apache Camel or equivalent enterprise integration frameworks
Minimum 4 years of hands-on experience with AWS or equivalent cloud services
Strong hands-on AI/GenAI implementation experience in enterprise or production-grade applications
Understanding responsible AI and secure AI engineering practices
Experience with observability and analytics tools
Strong analytical and problem-solving skills

Benefits

Comp & perks

Health insurance
Professional development opportunities
Flexible work hours
401(k) retirement plan